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新课标明确指出:数学教学要紧密联系学生的生活实际,从学生的生活经验和已有的知识出发,创设生动有趣的情境,引导学生开展观察、操作、交流等活动。情景教学是新课程倡导的教学方法之一,它是指老师充分运用直观的具体材料创设问题情景,设障布疑,激发学生的积极性和求知需要的一种教学方法。我们常常说教师最大的本领在于吸引学生的注意力,而影响学生课堂注意力的因素是课堂教学的三大信息源(教师、学生、教材),教师在课堂教学中如能巧妙应用情景教学,则有利于吸引学生的注意力,优化课堂教学效果。
The new curriculum clearly states: Mathematics teaching should be closely linked with the students ’actual life, starting from the students’ life experiences and existing knowledge, creating vivid and interesting situations and guiding students to conduct activities such as observation, operation and exchange. Situational teaching is one of the teaching methods advocated by the new curriculum. It refers to a teaching method in which teachers make full use of intuitive concrete materials to create problem scenarios, dispel suspicion, stimulate students’ enthusiasm and seek knowledge. We often say that teachers’ greatest ability lies in attracting students’ attention. Factors that affect the students’ attention in classroom are the three major sources of information (teachers, students and textbooks) in classroom teaching. Teachers can skillfully apply situational teaching in classroom teaching, It is conducive to attract students’ attention, optimize classroom teaching effectiveness.